Leetcode: Encode String with Shortest Length && G面经

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Leetcode: Encode String with Shortest Length && G面经

Given a non-empty string, encode the string such that its encoded length is the shortest. The encoding rule is: k[encoded_string], where the encoded_string inside the square brackets is being repeated exactly k times. Note: k will be a positive integ…

[LeetCode] Encode String with Shortest Length 最短长度编码字符串

Given a non-empty string, encode the string such that its encoded length is the shortest. The encoding rule is: k[encoded_string], where the encoded_string inside the square brackets is being repeated exactly k times. Note: k will be a positive integ…

[LeetCode] Decode String 解码字符串

Given an encoded string, return it's decoded string. The encoding rule is: k[encoded_string], where the encoded_string inside the square brackets is being repeated exactly k times. Note that k is guaranteed to be a positive integer. You may assume th…

LeetCode : Given a string, find the length of the longest serial substring without repeating characters.

Given a string, find the length of the longest serial substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the length is 3. Given "bbbbb", the answer is "b", with the length…

Leetcode: Encode and Decode TinyURL

Note: This is a companion problem to the System Design problem: Design TinyURL. TinyURL is a URL shortening service where you enter a URL such as https://leetcode.com/problems/design-tinyurl and it returns a short URL such as http://tinyurl.com/4e9iA…

Leetcode 943. Find the Shortest Superstring（DP）

题目来源:https://leetcode.com/problems/find-the-shortest-superstring/description/ 标记难度:Hard 提交次数:3/4 代码效率:2.93% -> 79.31% 题意有N个字符串,找到最小的字符串S,使得这N个字符串都是S的子串.其中N<=12,字符串的长度<=20. 分析这道题比赛的时候我没有做出来,但我自认为自己已经找到了正确的解法(确实差不多是正确的),只要再调一小会就能调出来了!结果事实是又花了两天才弄…

[LeetCode] Encode and Decode TinyURL 编码和解码精简URL地址

Note: This is a companion problem to the System Design problem: Design TinyURL. TinyURL is a URL shortening service where you enter a URL such as https://leetcode.com/problems/design-tinyurl and it returns a short URL such as http://tinyurl.com/4e9iA…